EP0561210A3 - Overcurrent detector circuit for a circuit-breaker - Google Patents

Overcurrent detector circuit for a circuit-breaker Download PDF

Info

Publication number
EP0561210A3
EP0561210A3 EP19930103331 EP93103331A EP0561210A3 EP 0561210 A3 EP0561210 A3 EP 0561210A3 EP 19930103331 EP19930103331 EP 19930103331 EP 93103331 A EP93103331 A EP 93103331A EP 0561210 A3 EP0561210 A3 EP 0561210A3
Authority
EP
European Patent Office
Prior art keywords
circuit
breaker
overcurrent detector
detector circuit
overcurrent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19930103331
Other versions
EP0561210A2 (en
EP0561210B1 (en
Inventor
Yoshihiro Hatakeyama
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP0561210A2 publication Critical patent/EP0561210A2/en
Publication of EP0561210A3 publication Critical patent/EP0561210A3/en
Application granted granted Critical
Publication of EP0561210B1 publication Critical patent/EP0561210B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
    • H02H3/0935—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means the timing being determined by numerical means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
EP93103331A 1992-03-04 1993-03-02 Overcurrent detector circuit for a circuit-breaker Expired - Lifetime EP0561210B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4047055A JP2857529B2 (en) 1992-03-04 1992-03-04 Circuit breaker
JP47055/92 1992-03-04

Publications (3)

Publication Number Publication Date
EP0561210A2 EP0561210A2 (en) 1993-09-22
EP0561210A3 true EP0561210A3 (en) 1994-10-26
EP0561210B1 EP0561210B1 (en) 1996-11-27

Family

ID=12764478

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93103331A Expired - Lifetime EP0561210B1 (en) 1992-03-04 1993-03-02 Overcurrent detector circuit for a circuit-breaker

Country Status (7)

Country Link
US (1) US5353188A (en)
EP (1) EP0561210B1 (en)
JP (1) JP2857529B2 (en)
KR (1) KR970002270B1 (en)
CN (1) CN1033061C (en)
DE (1) DE69306144T2 (en)
TW (2) TW228037B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4313532B4 (en) * 1993-04-24 2007-08-30 Robert Bosch Gmbh Method for checking an output stage
US5633776A (en) * 1995-07-24 1997-05-27 Babcock, Inc. Circuit breaker
GB0120748D0 (en) 2001-08-25 2001-10-17 Lucas Aerospace Power Equip Generator
US20030212473A1 (en) * 2002-02-25 2003-11-13 General Electric Company Processing system for a power distribution system
US7532955B2 (en) 2002-02-25 2009-05-12 General Electric Company Distributed protection system for power distribution systems
US7747356B2 (en) 2002-02-25 2010-06-29 General Electric Company Integrated protection, monitoring, and control system
US7111195B2 (en) 2002-02-25 2006-09-19 General Electric Company Method and system for external clock to obtain multiple synchronized redundant computers
US7058482B2 (en) * 2002-02-25 2006-06-06 General Electric Company Data sample and transmission modules for power distribution systems
WO2003073312A1 (en) * 2002-02-25 2003-09-04 General Electric Company Method and apparatus for minimally invasive network monitoring
DE10210920B4 (en) * 2002-03-13 2005-02-03 Moeller Gmbh Circuit breaker with electronic release
JP4096668B2 (en) * 2002-09-06 2008-06-04 三菱電機株式会社 Circuit breaker
US7636616B2 (en) 2003-02-25 2009-12-22 General Electric Company Protection system for power distribution systems
DE10343350A1 (en) * 2003-09-12 2005-04-21 Siemens Ag Method of controlling an electronic overcurrent release for low voltage circuit breakers
US7178436B2 (en) * 2003-11-07 2007-02-20 United States Steel Corporation Method of cutting carbon and alloy steel
DE102004017583A1 (en) * 2004-04-07 2005-10-27 Deutsche Thomson-Brandt Gmbh Method and circuit for controlling an electronic component
JP4670413B2 (en) * 2004-07-07 2011-04-13 トヨタ自動車株式会社 Power supply
DE102007003176B4 (en) * 2007-01-22 2014-06-18 Siemens Aktiengesellschaft Circuit breaker
JP4908245B2 (en) * 2007-01-26 2012-04-04 三菱電機株式会社 Circuit breaker
JP5212005B2 (en) * 2008-10-08 2013-06-19 三菱電機株式会社 Electronic circuit breaker
DE102009025514A1 (en) * 2009-06-19 2010-12-30 Ellenberger & Poensgen Gmbh Control method for triggering an electronic circuit breaker
WO2013153599A1 (en) * 2012-04-09 2013-10-17 三菱電機株式会社 Sequencer analog output unit
CN104682684B (en) * 2015-03-27 2018-02-16 北京纵横机电技术开发公司 A kind of current transformer and its over-current over-voltage protection method
DE102015223358A1 (en) * 2015-11-25 2017-06-01 Phoenix Contact Gmbh & Co. Kg Device for detecting an overcurrent

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2020124A (en) * 1978-04-27 1979-11-07 Tokyo Shibaura Electric Co Overcurrent protection
US4250532A (en) * 1979-02-12 1981-02-10 Gould Inc. Electronic overcurrent detection and tripping circuit
DE3304921A1 (en) * 1983-02-12 1984-08-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digital, electronic excess-current trip device
GB2140633A (en) * 1983-04-29 1984-11-28 Plessey Co Plc Load tripping circuits
US4689712A (en) * 1985-02-25 1987-08-25 Merlin Gerin S.A. Circuit breaker with solid-state trip unit with a digital processing system shunted by an analog processing system
DE3631167A1 (en) * 1986-09-11 1988-03-24 Siemens Ag Method for producing a trip signal as a function of the magnitude and duration of an overcurrent
US4819124A (en) * 1987-07-23 1989-04-04 Mitsubishi Denki Kabushiki Kaisha Overcurrent detector and circuit breaker
DE4021522A1 (en) * 1989-07-10 1991-01-24 Gen Electric ELECTRONIC SWITCH
US5086367A (en) * 1988-07-08 1992-02-04 Mitsubishi Denki K.K. Circuit breaker

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT376852B (en) * 1982-07-29 1985-01-10 Naimer H L CIRCUIT ARRANGEMENT FOR A COMPUTER-BASED SWITCHGEAR
US4695961A (en) * 1983-07-29 1987-09-22 Mitsubishi Denki Kabushiki Kaisha Solid state overcurrent detector
EP0300077B1 (en) * 1987-07-23 1993-03-17 Mitsubishi Denki Kabushiki Kaisha Overcurrent detector

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2020124A (en) * 1978-04-27 1979-11-07 Tokyo Shibaura Electric Co Overcurrent protection
US4250532A (en) * 1979-02-12 1981-02-10 Gould Inc. Electronic overcurrent detection and tripping circuit
DE3304921A1 (en) * 1983-02-12 1984-08-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digital, electronic excess-current trip device
GB2140633A (en) * 1983-04-29 1984-11-28 Plessey Co Plc Load tripping circuits
US4689712A (en) * 1985-02-25 1987-08-25 Merlin Gerin S.A. Circuit breaker with solid-state trip unit with a digital processing system shunted by an analog processing system
DE3631167A1 (en) * 1986-09-11 1988-03-24 Siemens Ag Method for producing a trip signal as a function of the magnitude and duration of an overcurrent
US4819124A (en) * 1987-07-23 1989-04-04 Mitsubishi Denki Kabushiki Kaisha Overcurrent detector and circuit breaker
US5086367A (en) * 1988-07-08 1992-02-04 Mitsubishi Denki K.K. Circuit breaker
DE4021522A1 (en) * 1989-07-10 1991-01-24 Gen Electric ELECTRONIC SWITCH

Also Published As

Publication number Publication date
KR930020504A (en) 1993-10-20
CN1076811A (en) 1993-09-29
CN1033061C (en) 1996-10-16
DE69306144D1 (en) 1997-01-09
TW222722B (en) 1994-04-21
EP0561210A2 (en) 1993-09-22
DE69306144T2 (en) 1997-03-20
JPH05252642A (en) 1993-09-28
US5353188A (en) 1994-10-04
EP0561210B1 (en) 1996-11-27
KR970002270B1 (en) 1997-02-27
TW228037B (en) 1994-08-11
JP2857529B2 (en) 1999-02-17

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